They may feel heavy, but bananas do not make you gain weight. Quite the opposite: They're loaded with filling fiber and potassium, which helps relieve water retention.

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Olive Oil

Though it's not scientifically confirmed, there's some evidence that small amounts of olive oil may help reduce belly fat. That's because it contains a chemical called oleic acid, which helps break down fat in the body.

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Lentils

Consider lentils the ultimate tummy-trimming trifecta — they're packed with protein, fiber, and complex carbohydrates, all of which help slim you.

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Artichokes

A medium-size one has 7 grams of fiber — almost 30 percent of your recommended daily allowance — to help your digestive system chug along properly.

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Cantaloupe

This orange melon is full of anti-bloating potassium, low in calories, and has a high water content, so you can get away with eating a lot of it.

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Kimchi

This Korean staple is a prime example of a fermented food — others include sauerkraut, pickles, and tempeh — meaning it's filled with probiotics to help boost good, digestive-tract-healing gut bacteria.

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Grainy Bread

You already know to stay away from processed white bread—all its sugars cause your blood sugar levels to spike and then plummet, leaving you hungry again fast. But whole-grain bread is packed with fiber, which stabilizes blood sugar levels to keep you full.

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Avocados

These guac stars are filled with healthy, filling monounsaturated fat. Spread on whole-wheat bread for avocado toast, or slice up half an avocado and mix it into any salad.

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Brown Rice

A complex carb, brown rice takes a long time to digest, helping to keep you full. Cook with it and swap it in for white rice on sushi or in Chinese takeout.

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Oatmeal

The secret ingredient? Fiber, which helps keep you full without puffing you out. Sprinkle on cinnamon and breakfast is served.

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Leafy Greens

Some veggies, such as Brussels sprouts, are filled with important nutrients, but nonetheless make you bloat. Leafy greens, like kale, spinach, and lettuce, do no such thing. They're all super-low-cal, loaded with fiber, and help ease water retention.

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Fatty Fish

Those like salmon and mackerel are packed with healthy, filling omega-3 fatty acids, which are structural fats, not storage fats, so they're less likely to be stored in a layer of belly fat.

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Probiotic Yogurt

It's filled with good bacteria that help promote gut health and make your digestive tract run more smoothly. As a result, you'll be less prone to gas and bloating.

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Apples

An apple a day keeps the doctor and the pounds away. A recent study found that noshing on an apple before a meal may help you eat less later, thanks to its filling fiber.

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Cucumbers

These crunchy veggies have few calories and are natural diuretics, meaning they help flush out excess water weight.

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Berries

Hello, summer! Berries are full of fiber and antioxidants, plus they're low-cal. Eat them solo or use them as a topping for yogurt or cereal.

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Asparagus

These stalks contain potassium, which helps remove excess fluids from your body. Eat them raw or sprinkle with salt, pepper, and olive oil and toss them on the grill.

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Eggplant

This veggie is very low in sodium and high in water, so it helps fight bloat.

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Almonds

Almonds are loaded with protein, making them a great afternoon snack. Just be sure to stick with the natural kind, and limit yourself to a one-ounce serving (about a shot-glass worth).

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Watermelon

This red fruit is packed with water, so you can eat tons of it. And what's more refreshing at the end of a summer barbecue?

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Eggs

All the latest science shows that having two eggs for breakfast can help you eat less throughout the day. That's because they're filled with protein, which wards off the urge to nosh.

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Fennel

Because fennel relaxes GI spasms after eating, you can prevent the gas and bloating you'd typically have after a heavy meal. Either chew on the seed or make fennel tea.

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Dark Chocolate

You probably didn't expect to see dark chocolate on this list, but as long as it's made up of at least 70% cacao, it's full of fiber and polyphenols that can help flatten your tummy. But don't eat too much; stick to a square or two a day.

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Green Tea

Green tea does wonders for bloating. Known for its anti-inflammatory properties, a warm and cozy cup will help flatten out your tummy.

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